420621462 has 24 divisors (see below), whose sum is σ = 928543824. Its totient is φ = 137561424.

The previous prime is 420621457. The next prime is 420621473. The reversal of 420621462 is 264126024.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 219498 + ... + 221405.

It is an arithmetic number, because the mean of its divisors is an integer number (38689326).

Almost surely, 2^420621462 is an apocalyptic number.

420621462 is an abundant number, since it is smaller than the sum of its proper divisors (507922362).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

420621462 is a wasteful number, since it uses less digits than its factorization.

420621462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440964 (or 440961 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 420621462 is about 20509.0580476042. The cubic root of 420621462 is about 749.2564257067.

Adding to 420621462 its reverse (264126024), we get a palindrome (684747486).

The spelling of 420621462 in words is "four hundred twenty million, six hundred twenty-one thousand, four hundred sixty-two".